1Heat oven to 400ºF. Grease 2 cookie sheets.
2Heat milk and butter to rolling boil in 2-quart saucepan. Stir in flour. Stir vigorously over low heat about 1 minute or until mixture forms a ball; remove from heat. Beat in eggs all at once; continue beating until smooth. Fold in 2/3 cup of the cheese.
3Divide dough in half. Drop dough by tablespoonfuls onto cookie sheet to form two 4-inch rings; smooth with spatula. Sprinkle with remaining 1/3 cup cheese. Bake 50 to 60 minutes or until puffed and golden.